| Organization | Blocks | Addresses | First registered |
|---|---|---|---|
| ARG Telecom | 1 | 16.8 million | 3 Nov 2015 |
| Avang - neterbit | 1 | 16.8 million | 6 Nov 2021 |
| Informatics Services Corporation | 1 | 16.8 million | 18 Jun 2008 |
| Partow Tamas Novin (Parman) | 1 | 16.8 million | 1 Dec 2015 |
| SUMICO | 2 | 1.1 million | 30 Aug 2023 |
| ddcpersia | 1 | 1 million | 13 Aug 2022 |
| Faravid Communication&Data Analysis | 1 | 1 million | 6 Oct 2020 |
| SAMIM Co | 1 | 1 million | 13 Mar 2016 |
| mapna group | 2 | 8.2 thousand | 10 Apr 2016 |
| Azmoon Keifiat | 1 | 4.1 thousand | 31 Jul 2019 |
| Fater Rasa Noor | 1 | 4.1 thousand | 11 Sep 2017 |
| Future wave ultra tech Company | 1 | 4.1 thousand | 3 Sep 2021 |
| Maharsystem | 1 | 4.1 thousand | 13 Aug 2017 |
| VAF Co. | 1 | 4.1 thousand | 14 Aug 2021 |
Every organization with blocks registered in Iran, sorted by total address space.